Home / 20,512,225.20-30,771,102.60-7,053,178.80

Finding the Fourth Proportional to 20,512,225.20, 30,771,102.60 and 7,053,178.80

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Solution

The fourth proportional to 20,512,225.20, 30,771,102.60 and 7,053,178.80 is: 10,580,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512,225.20 : 30,771,102.60 = 7,053,178.80 : x
  2. Step 2: Convert to fraction form
    20,512,225.20/30,771,102.60 = 7,053,178.80/x
  3. Step 3: Cross multiply
    20,512,225.20x = 30,771,102.60 × 7,053,178.80
  4. Step 4: Simplify right side
    20,512,225.20x = 217,034,088,510,944.88
  5. Step 5: Solve for x
    x = 217,034,088,510,944.88/20,512,225.20
  6. Step 6: Final answer
    x = 10,580,718.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.